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09.23.2008 at 08:07PM PDT, ID: 23757296
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8.4

Mouse following DIV issues

Asked by adrian_brooks in JavaScript

Tags: , ,

Hi folks,

I am doing an events calendar for a church's website and would like events to popup when you rollover them. See below for details.

I have multiple issues here and I hope that this won't seem too much for you.
I have included a link to the page in question so that you can see what is going wrong.
http://www.mmcfc.org/test.htm
Click on the link that appears in the page to examine the issue first hand. You must rollover one of the dark gray date cells in the first row of dates at the top of the calendar to activate the hidden div.

Issues:
1) I am attempting to create one of those floating divs that follows your mouse when you rollover a particular cell of a table. I have it appearing as desired, but I can't figure out how to make it go away when the mouse leaves the confines of the <td> element that activated it with the onMouseOver... (all code below).

2) The working version of this seems to work great in Firefox, but when I try it in IE, very horrible results take place.

3) The PNG file I created shows perfectly in Firefox with proper transparency, but in IE it shows a strange blue-ish background color where the transparency should be. Why is this happening only in IE? (stupid question, I know...IE is for crap)

I really hope that these are simple fixes as I don't intend for this to be a drawn out question.

Thank you all very much for your help.

~Adrian~Start Free Trial 
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/*Javascript file contents*/
// div that is to follow the mouse
var divName = 'eventPopUpBox';
// (must be position:absolute)
var offX = 10;	// X offset from mouse position
var offY = 10;	// Y offset from mouse position
 
function mouseX(evt)
{
  if(!evt) evt = window.event;
  if(evt.pageX) return evt.pageX;
  else if(evt.clientX)
  return evt.clientX + (document.documentElement.scrollLeft ?  document.documentElement.scrollLeft : document.body.scrollLeft);
  else
  return 0;
}
 
function mouseY(evt)
{
  if(!evt) evt = window.event;
  if(evt.pageY) return evt.pageY;
  else if(evt.clientY)
  return evt.clientY + (document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop);
  else
  return 0;
}
 
function follow(evt)
{
  if(document.getElementById)
  {
    var obj = document.getElementById(divName).style;
    obj.visibility = 'visible';
    var xPos = parseInt(mouseX(evt)) + offX;
    var yPos = parseInt(mouseY(evt)) + offY;
    var winW = window.innerWidth;
    var winH = window.innerHeight;
    // apply -offset if mouse x is past window width half way point
    if(xPos > winW / 2) xPos = xPos - (winW / 2);
    // apply -offset if mouse y is past window height half way point
    if(yPos > winH / 2) yPos = yPos - (winH / 2) + 100;
    obj.left = xPos + 'px';
    obj.top = yPos + 'px';
  }
}
 
function stopFollow(evt)
{
  if(document.getElementById)
  {
    var obj = document.getElementById(divName).style;
    obj.visibility = 'hidden';
  }
}
 
function testBox(state)
{
  switch(state)
  {
    case false:
      document.onmouseout = stopFollow;
    break;
    case true:
      document.onmousemove = follow;
    break;
  }
}
 
/*css for floater DIV*/
#eventPopUpBox
{
  background-image:url(../images/evtBox.png);
  background-repeat:no-repeat;
  position:absolute;
  overflow:hidden;
  visibility: hidden;
  z-index:999;
  width:320px;
  height:220px;
  color:#000;
  padding:10px;
}
 
<!-- HTML CONTENT (TD example & hidden DIV only) -->
 
 
<div id="eventPopUpBox"></div>
[+][-]09.23.2008 at 08:16PM PDT, ID: 22556391

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[+][-]09.24.2008 at 06:14AM PDT, ID: 22559301

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[+][-]09.24.2008 at 10:44AM PDT, ID: 22562050

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[+][-]09.24.2008 at 02:49PM PDT, ID: 22564377

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About this solution

Zone: JavaScript
Tags: Javascript, FF 3.0.1& IE6/7, http://www.mmcfc.org/test.htm
Sign Up Now!
Solution Provided By: AlbertVanHalen
Participating Experts: 1
Solution Grade: B
 
 
[+][-]09.24.2008 at 03:54PM PDT, ID: 22564890

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